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Old 11-11-2013, 08:27 PM   #1
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Auto dimming mirror power

Trying to hook up my CB radio and I've had no luck running wires though the dash on the 2014 as I did in the 2012. Thinking about splicing into the rear view mirror power. Anyone know what ones the power and perhaps a ground too?

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Old 11-11-2013, 09:24 PM   #2
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At the right corner of the dash, facing the door, the panel pulls off best with a plastic tool, but a screwdriver works well also. There are plastic clips on that panel that pop in and out easily. Push in on the front of that panel, and toward the rear it will move out. Slip the tool in there.
Behind that, near the top is a 1/2" hole filled with spray foam. Push a coat hanger thru in the center of the hole, with the wires taped to it. Can go directly to the battery there. I just finished that on my 2014 Rubicon.
I put the wires inside plastic wireloom up to the hole, and at the other side, to the battery. Also a fuse by the battery.
Then you will have clean power without ripples or sounds from relays, ect.
Or you could ground just below the hole inside the cabin. There is a bolt there, put a washer over the wire, so as not to cut it on the bolt head.

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Old 11-11-2013, 09:41 PM   #3
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Are you mounting the antenna to the spare tire carrier?
If so, you can run the coax in the rubber plug to the right of the carrier. The bottom of the mount has to be plain metal, no paint, under the antenna mount itself. The antenna grounds there. Also a 10 ga. wire needs to be run from one of the bolts on the mount, thru the same rubber plug as the coax, and grounded to a good ground inside. The tiedown bolt at the right rear corner, behind the speaker is good. The paint on it should be sanded off on the bottom of the bolt to get a good ground. I also used a wire wheel to remove the paint on the threads. The black paint on the top(visible) can be left alone. The paint on the outside connection needs to be removed also.
Use a continuity tester to confirm ground.
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Old 11-11-2013, 09:47 PM   #4
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I was able to fish 3/8 fuel hose thru the holes in the tailgate to protect the coax and ground wire as they passed thru there.
Also silicone around all bare metal sections outside after making connections. And the hole made in the rubber plug.
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Old 11-11-2013, 09:53 PM   #5
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Also check the SWR to confirm that the coax is good, and all grounds are solid also, before using. If you get an adjustable antenna, it will be easier to set. If you use a spring, you will probably need to shorten the antenna to compensate.
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Old 11-11-2013, 11:20 PM   #6
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Wow thank you Harley. Ill try your way of getting power here in a min. Yes a tire carrier mount. Home depot mount that is, worked well in my other Jeep. I also grounded to the tie down behind the subwoofer, running both the coax and ground wire through that rubber plug, works very well. Just need to get a tennis ball so the whip stops hitting the hard top. I got some pasti dip left over from the grill I think I'll see what that does to a fuzzy tennis ball.
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Old 11-12-2013, 12:48 AM   #7
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Just finished hooking up the CB Radio, didn't run a fuse from the battery, i do believe the radio has one already built in on the 12v line, a small plastic casing is on the 12v wire so i should be ok. Guess i won't know if it really works unless i get a response back, I don't think anyone on the west side has base stations like the east side of town. Thank you for your help Harley that foam hole worked perfectly.
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Old 11-12-2013, 01:42 AM   #8
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Yes, mine has a fuse 6" from the radio. The fuse only protects from shorts that happen after it. It will break if the line draws more than it's rating. Such as the radio components shorting.
Any line from the battery before a fuse is not protected.
If the wire wears thru and shorts to the frame before a fuse, it can cause a fire.
The only way to prevent that is to put a fuse at the beginning of the positive line, at the battery.

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